Home / 1,865,211.87-2,797,817.52-517,374.51

Finding the Fourth Proportional to 1,865,211.87, 2,797,817.52 and 517,374.51

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Solution

The fourth proportional to 1,865,211.87, 2,797,817.52 and 517,374.51 is: 776,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,211.87 : 2,797,817.52 = 517,374.51 : x
  2. Step 2: Convert to fraction form
    1,865,211.87/2,797,817.52 = 517,374.51/x
  3. Step 3: Cross multiply
    1,865,211.87x = 2,797,817.52 × 517,374.51
  4. Step 4: Simplify right side
    1,865,211.87x = 1,447,519,468,479.42
  5. Step 5: Solve for x
    x = 1,447,519,468,479.42/1,865,211.87
  6. Step 6: Final answer
    x = 776,061.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.